Move ScriptWrappable and dependencies to platform/bindings

third_party/WebKit/Source/bindings/core/v8/ActiveScriptWrappable.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ActiveScriptWrappable_h
-#define ActiveScriptWrappable_h
-
-#include "core/CoreExport.h"
-#include "platform/heap/Handle.h"
-#include "platform/wtf/Noncopyable.h"
-
-namespace v8 {
-class Isolate;
-}
-
-namespace blink {
-
-class ScriptWrappable;
-class ScriptWrappableVisitor;
-
-/**
- * Classes deriving from ActiveScriptWrappable will be registered in a
- * thread-specific list. They keep their wrappers and dependant objects alive
- * as long as they have pending activity.
- */
-class CORE_EXPORT ActiveScriptWrappableBase : public GarbageCollectedMixin {
-  WTF_MAKE_NONCOPYABLE(ActiveScriptWrappableBase);
-
- public:
-  ActiveScriptWrappableBase();
-
-  static void TraceActiveScriptWrappables(v8::Isolate*,
-                                          ScriptWrappableVisitor*);
-
- protected:
-  virtual bool IsContextDestroyed(ActiveScriptWrappableBase*) const = 0;
-  virtual bool DispatchHasPendingActivity(ActiveScriptWrappableBase*) const = 0;
-  virtual ScriptWrappable* ToScriptWrappable(
-      ActiveScriptWrappableBase*) const = 0;
-};
-
-template <typename T>
-class ActiveScriptWrappable : public ActiveScriptWrappableBase {
-  WTF_MAKE_NONCOPYABLE(ActiveScriptWrappable);
-
- public:
-  ActiveScriptWrappable() {}
-
- protected:
-  bool IsContextDestroyed(ActiveScriptWrappableBase* object) const final {
-    return !(static_cast<T*>(object)->T::GetExecutionContext)() ||
-           (static_cast<T*>(object)->T::GetExecutionContext)()
-               ->IsContextDestroyed();
-  }
-
-  bool DispatchHasPendingActivity(
-      ActiveScriptWrappableBase* object) const final {
-    return static_cast<T*>(object)->T::HasPendingActivity();
-  }
-
-  ScriptWrappable* ToScriptWrappable(
-      ActiveScriptWrappableBase* object) const final {
-    return static_cast<T*>(object);
-  }
-};
-
-}  // namespace blink
-
-#endif  // ActiveScriptWrappable_h
+// This file has been moved to platform/bindings/ActiveScriptWrappable.h.
+// TODO(adithyas): Remove this file.
+#include "platform/bindings/ActiveScriptWrappable.h"